Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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HCPL-063N-000E


Logic Output Optoisolator 10MBd Open Collector, Schottky Clamped 3750Vrms 2 Channel 15kV/µs CMTI 8-SO Tall
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Broadcom 74
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AUD 10.1134
Multiples of: 1

TLP385(D4GR-TL,E


Transistor Output Optocouplers GaAs Infrared and Photo-Transistor
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Toshiba 73
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AUD 0.3264
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VO3063-X009T


Triac & SCR Output Optocouplers Phototriac ZC 1.5kVus 5mA VDE
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Vishay 73
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AUD 0.9985
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CPC1302GSTR


Transistor Output Optocouplers Dual Optocoupler High-Voltage
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IXYS 73
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AUD 3.1343
Multiples of: 1

4N35


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC DIP-6 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 72
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AUD 0.1604
Multiples of: 5

AT4N28-CUH-D


100mA 5kV 300mV@2mA,50mA 1 6V 1.2V DC DIP-6 Transistor, Photovoltaic Output Optoisolators ROHS
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AOTE 72
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AUD 0.1699
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MOC3021D


60mA 400V 1.15V Two-way thyristor DIP Optocouplers - Thyristor Signal Output ROHS
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GUOXIN JIAPIN SEMICONDUCTOR 63
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AUD 0.1535
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LDA100S


IXYS Integrated Circuits Transistor Output Optocouplers Optocoupler Single-Transistor
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IXYS 46
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AUD 2.1179
Multiples of: 1

ATH11L1-CuH-D


3V~15V DC DIP-6 Logic Output Optoisolators ROHS
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AOTE 43
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AUD 0.3015
Multiples of: 5

HCPL-0530-500E


Avago Technologies High Speed Optocouplers 1MBd 2Ch 16mA
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Broadcom 33
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AUD 1.8717
Multiples of: 1

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